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And speaking in a touching Facebook post, Christopher urged anyone who might have any information about Amy's disappearance to come forward.

He said: "As Amy's Dad it is a mystery which haunts myself and my family of every minute of every day and my one aim for the rest of my life is to find my daughter.

"Amy was 15 at the time of her disappearance she has black hair, is 1.65m tall, and was wearing brown crushed velvet tracksuit bottoms and a black T-Shirt with the word 'Diesel' in various different colour's when she was last seen.

"Someone knows the truth and it is never too late to come forward."

Christopher Fitzpatrick suffered more heartache in 2013 when his son Dean died.

Dean, 23, was stabbed and killed by his stepfather Dave Mahon during a row over a water bottle.